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Dell e5420 hang when AC Adepter is connected

Hi.

I have got problem with my Dell e5420. EEM version is 5.2.9. AC adapter is connected. I start my encrypted laptop and after about 5 seconds it hangs. (McAfee login windows appear and hang). Without AC it works fine.

Has anyone know what is wrong?

24 Replies
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Message 2 of 25

Re: Dell e5420 hang when AC Adepter is connected

just one machine, or lots of them behaving the same way? If it's just one, I would suspect a BIOS problem and look to see if there's an update available.

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Re: Dell e5420 hang when AC Adepter is connected

Lots of them, but not everyone. I checked BIOS options but didn't find nothing strange:) There is no BIOS update for e5420 yet.

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Message 4 of 25

Re: Dell e5420 hang when AC Adepter is connected

curious - what did Dell say about the problem? Any way to work out the difference between those which work, and those which don't ?

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Re: Dell e5420 hang when AC Adepter is connected

I try to reinstall originaly installed Windows 7 by Dell. meaby there are some drivers problem or other 'strange' dell software. It works fine without EEM, so...there is no Dell problem.  I'll let you know about results.

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Message 6 of 25

Re: Dell e5420 hang when AC Adepter is connected

are you seeing the problem on other models of Dell, or other models by another manufacturer?

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Re: Dell e5420 hang when AC Adepter is connected

We have many different models of Dell but only on e5420 this problem occurs.

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Re: Dell e5420 hang when AC Adepter is connected

Unfortunately, after many system reinstalations, on a few e5420 laptops, it still hangs. So my problem is still unsolved. If someone has any ideas, please, let me know.

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Re: Dell e5420 hang when AC Adepter is connected

What HDD Access mode is selected in BIOS ? It should be SATA AHCI only in dell laptops.

We have a similar laptop series it works fine with EEPC, no issues.

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Re: Dell e5420 hang when AC Adepter is connected

I tried on SATA AHCI and ATA mode. Which version of EEPC do you have and what files group do you attached to machine?

I have got:
EEPC.JPG

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